Research progress of third-order optical nonlinearity of chalcogenide glasses*

Project supported by the National Natural Science Foundation of China (Grant No. 61675106), the National Key Research and Development Program of China (Grant No. 2016YFB0303803), and the K C Wong Magna Fund in Ningbo University.

Zhang Xiao-Yu1, 2, 3, Chen Fei-Fei1, 2, †, Zhang Xiang-Hua4, Ji Wei5
       

Plots of the real part of χ(3) of the binary La2S3–Ga2S3 glasses against (a) optical band gap (Eg), and (b) linear refractive index (n0) (Zhou Z H et al. 1998).[30]